7.2,7.3 - X1 X2 X3…Xn form a random sample if X1 X2 …...

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Lecture 11 7.2 – The Mean and Standard Deviation of the Sample Mean 7.3- The Sampling Distribution of the Sample Mean Random Sample Consider a sample size n from a population. The ith element of the sample can be represented as a random variable, Xi.
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Unformatted text preview: X1, X2, X3…Xn form a random sample if X1, X2, …. XN are independent and identically distributed. The probability distribution of Xi corresponds to the frequency distribution of the population variable....
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